Gordon Tullock has been one of the most important founders and contributors to Public Choice. Two innovations are typical "Tullock Challenges". The first relates to method: the measurement of subjective well-being, or happiness. The second relates to digital social networks such as Facebook,...

Political Economy and Public Choice have studied the interactions between the economy and the polity for over 60 years now. The present paper endeavours to provide a critical discussion of this literature and its achievements. In particular, it starts with the different approaches based on...